# TankPilot vs ReefNote

The clearest difference is update cadence: ReefNote at every 3 weeks against TankPilot's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. TankPilot sells 1 one-off in-app purchase and ReefNote sells 3 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

TankPilot ships an update every 2 months, ReefNote every 3 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | TankPilot | ReefNote |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 3 MB | 6 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Foshan Gaoming Huiyang Network Technology Studio (Individually Owned Business)](https://appshunter.io/developer/1887272084) | [InnovaLabWorks](https://appshunter.io/developer/1888514726) |

## What reviewers say

### TankPilot

[App page](https://appshunter.io/ios/app/tankpilot-aquarium-tracker/id6784020072)

**Features:** macOS Compatibility, Family Sharing, Vision Pro support, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full Version | $4.99 | one-time |


### ReefNote

[App page](https://appshunter.io/ios/app/reefnote-aquarium-log/id6788604575)

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ReefNote Pro | $5.99 | per month |
| ReefNote Pro | $34.99 | per year |
| ReefNote Lifetime | $2.99 | one-time |


## Frequently asked questions

### Is TankPilot free?

TankPilot is free to download, with in-app purchases available.

### Is ReefNote free?

ReefNote is free to download, with in-app purchases available.

### Do TankPilot or ReefNote have ads?

Neither TankPilot nor ReefNote shows ads.

### Which is updated more often, TankPilot or ReefNote?

TankPilot ships an update every 2 months, and ReefNote every 3 weeks. Most recently, TankPilot was updated on October 31, 2026 and ReefNote on October 31, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*